Cartier Men's W62020X6 Roadster Automatic Chronograph Watch Made in USA or Imported Swiss Made watch with Cartier Calibre 8510 Swiss-automatic movement; Functions without a battery; Powers automatically with the movement of your arms Scratch-resistant-sapphire crystal; Case diameter: 40 mm Solid barrel-shaped stainless steel case and triple-link polished stainless steel bracelet with brushed center links Roman numeral satin black dial; Date function at 3 o'clock with magnifier; Chronograph functions with three subdials Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving